East Islip, NY Office properties & Spaces for sale

$800,000

0.28 Acres

Renovated Multi-Tenant Office Building

128 Carleton Avenue, East Islip, NY 11730

Professional office building with strong rental potential in East Islip.

100% Occupied Multi‑Tenant Building in GST Zone
Completely Renovated in 2020: HVAC, Exterior, Interiors
Features 7 Private Offices + Spacious Conference Room
Detached Garage for Storage or Expanded Use
Modern Kitchenette and 2 Renovated Bathrooms

Updated: Feb 16

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$7,500,000

23,518 SF

East Islip Medical/Fitness Property

269 E Main St, E Islip, NY

23,518 SF building on 1.2 acres, high-traffic location.

+/-23,518 SF Building with parking on a 1.2 Acre Lot
Two‑Tenant, low‑management medical and fitness property
Located on heavily‑trafficked East Main Street (Montauk Hwy)
Combined WALT of 11 years

Updated: May 6, 2025

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Explore Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

$750,000

0.04 Acres

Professional Office Space on Main

Professional office space in Bay Shore's growing business corridor.

Bayshore, NY 11706

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$350,000

0.03 Acres

Oakdale Office Condo For Sale

1307 sq ft office condo in Oakdale Commons Shopping Center.

1215 Montauk Highway, Oakdale, NY 11769

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$350,000

0.03 Acres

Oakdale Office Condo For Sale

Well-maintained office condo in Oakdale Commons Shopping Center.

1215 Montauk Highway, Oakdale, NY 11769

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$3,699,000

Commercial Investment Property For Sale

Triple net lease, 100% occupied commercial investment property.

Bayshore, NY 11706

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

$1,049,999

0.38 Acres

Sayville Land: Build Your Dream

Spacious land parcel in Sayville, perfect for residential or investment.

48-52 Browns River Road, Sayville, NY 11782

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$1,100,000

1.22 Acres

Prime Commercial Parcel in Smithtown

High-visibility commercial land for sale in a thriving business district.

Middle Country Road, Smithtown, NY 11780

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$1,100,000

1.22 Acres

Prime Commercial Land Opportunity

High-visibility commercial land parcel in Smithtown, ideal for development.

Middle Country Road, Smithtown, NY 11780

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Contact for pricing

0.09 Acres

Landlocked Lot in Deer Park

Landlocked 4,000 sq ft lot with garage and driveway easement.

Kenmore Street, Deer Park, NY 11729

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Explore Off-Market Properties in East Islip, NY

Consider similar Off-Market properties in East Islip, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

1 Jackson St

OFFICE BUILDING • 0.34 Acres

Value Estimation

$1,150,000

1 Jackson St, East Islip, NY 11730

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369 Main St

OFFICE BUILDING • 0.04 Acres

Value Estimation by Request

369 Main St, East Islip, NY 11730-2800

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369 Main St

OFFICE BUILDING • 0.03 Acres

Value Estimation by Request

369 Main St, East Islip, NY 11730-2800

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369 Main St

OFFICE BUILDING • 0.02 Acres

Value Estimation by Request

369 Main St, East Islip, NY 11730-2800

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79-83 Main St

PROFESSIONAL BUILDING • 0.37 Acres

Value Estimation by Request

79-83 Main St, East Islip, NY 11730

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88 Main St

OFFICE BUILDING • 0.23 Acres

OFFICE BUILDING • 0.04 Acres

Value Estimation by Request

369 Main St, East Islip, NY 11730-2800

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East Islip, NY Office Properties & Spaces Investment Opportunities Market Analysis

Explore 42 office properties & spaces for sale in East Islip, NY on our real estate platform. These investment opportunities span a total of 156,380 square feet of properties for sale, with an estimated market value of $2,860,000.

Sale prices for office spaces in East Islip, NY start at $235,000, averaging $476,666, and reaching up to $800,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

East Islip, NY Office Properties & Spaces for Sale

Renovated Multi-Tenant Office Building

Professional office building with strong rental potential in East Islip.

East Islip Medical/Fitness Property

23,518 SF building on 1.2 acres, high-traffic location.

Explore Opportunities in Nearby Cities

Professional Office Space on Main

Oakdale Office Condo For Sale

Oakdale Office Condo For Sale

Commercial Investment Property For Sale

Potential Development Sites for Consideration

Sayville Land: Build Your Dream

Prime Commercial Parcel in Smithtown

Prime Commercial Land Opportunity

Landlocked Lot in Deer Park

Explore Off-Market Properties in East Islip, NY

1 Jackson St

369 Main St

369 Main St

369 Main St

79-83 Main St

88 Main St

96 Main St

Main St

45 Main St

268 Main St

149 Main St

167 Main St

200 Carleton Ave

228 Main St

216 Carleton Ave

8 Laurel Ave

107 Main St

74 Carleton Ave

3045 Sunrise Hwy

137 Main St

8 Greenwood Ave

369 Main St

East Islip, NY Office Properties & Spaces Investment Opportunities Market Analysis

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